Home / 213,153.12-294,150.29-117,658.98

Finding the Fourth Proportional to 213,153.12, 294,150.29 and 117,658.98

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Solution

The fourth proportional to 213,153.12, 294,150.29 and 117,658.98 is: 162,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,153.12 : 294,150.29 = 117,658.98 : x
  2. Step 2: Convert to fraction form
    213,153.12/294,150.29 = 117,658.98/x
  3. Step 3: Cross multiply
    213,153.12x = 294,150.29 × 117,658.98
  4. Step 4: Simplify right side
    213,153.12x = 34,609,422,499.81
  5. Step 5: Solve for x
    x = 34,609,422,499.81/213,153.12
  6. Step 6: Final answer
    x = 162,368.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.